Integrate Journey into Action Dispatch
Move the Journey code underneath the ActionDispatch namespace so
that we don't pollute the global namespace with names that may
be used for models.
Bump Journey requirements to 1.0.4
There are some Action Pack tests for regressions from 3.1 that require
a later version of Journey to pass so bump to the current version.
Bump rack-mount to 0.6.13 and add test case for named character class…
…es [#5509 state:resolved]
Signed-off-by: Santiago Pastorino <firstname.lastname@example.org>